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TITLE:
TeamSpeak Server Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA40230

VERIFY ADVISORY:
Secunia.com
https://secunia.com/advisories/40230/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40230

RELEASE DATE:
2010-06-18

DISCUSS ADVISORY:
https://secunia.com/advisories/40230/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

https://secunia.com/advisories/40230/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
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 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=40230

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

https://secunia.com/vulnerability_scanning/personal/
https://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Luigi Auriemma has reported some vulnerabilities in TeamSpeak Server,
which can be exploited by malicious people to bypass certain security
restrictions or cause a DoS (Denial of Service).

1) The server does not require authentication when executing normally
restricted commands received through UDP port 9987. This can be
exploited to e.g. kick or ban clients, modify channels, send messages
from the server account, or modify the server configuration.

2) Multiple assertion errors can be exploited to terminate an
affected server via specially crafted commands sent to UDP port
9987.

3) Multiple NULL-pointer dereference errors can be exploited to crash
an affected server by sending specially crafted commands to UDP port
9987.

The vulnerabilities are reported in version 3.0.0-beta23. Other
versions may also be affected.

SOLUTION:
Reportedly fixed in version 3.0.0-beta25.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
TeamSpeak:
https://forum.teamspeak.com/showthread.php?t=55643
https://forum.teamspeak.com/showthread.php?t=55646

Luigi Auriemma:
https://aluigi.altervista.org/adv/teamspeakrack-adv.txt

OTHER REFERENCES:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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